<?php
/*
 * CKFinder
 * ========
 * http://ckfinder.com
 * Copyright (C) 2007-2011, CKSource - Frederico Knabben. All rights reserved.
 *
 * The software, this file and its contents are subject to the CKFinder
 * License. Please read the license.txt file before using, installing, copying,
 * modifying or distribute this file or part of its contents. The contents of
 * this file is part of the Source Code of CKFinder.
 */
if (!defined('IN_CKFINDER')) exit;

/**
 * @package CKFinder
 * @subpackage CommandHandlers
 * @copyright CKSource - Frederico Knabben
 */

/**
 * Include base XML command handler
 */
require_once CKFINDER_CONNECTOR_LIB_DIR . "/CommandHandler/XmlCommandHandlerBase.php";

/**
 * Handle GetFiles command
 *
 * @package CKFinder
 * @subpackage CommandHandlers
 * @copyright CKSource - Frederico Knabben
 */
class CKFinder_Connector_CommandHandler_GetFiles extends CKFinder_Connector_CommandHandler_XmlCommandHandlerBase
{
	/**
	 * Command name
	 *
	 * @access private
	 * @var string
	 */
	private $command = "GetFiles";

	/**
	 * handle request and build XML
	 * @access protected
	 *
	 */
	protected function buildXml()
	{
		$_config =& CKFinder_Connector_Core_Factory::getInstance("Core_Config");
		if (!$this->_currentFolder->checkAcl(CKFINDER_CONNECTOR_ACL_FILE_VIEW)) {
			$this->_errorHandler->throwError(CKFINDER_CONNECTOR_ERROR_UNAUTHORIZED);
		}

		// Map the virtual path to the local server path.
		$_sServerDir = $this->_currentFolder->getServerPath();

		// Create the "Files" node.
		$oFilesNode = new Ckfinder_Connector_Utils_XmlNode("Files");
		$this->_connectorNode->addChild($oFilesNode);

		if (!is_dir($_sServerDir)) {
			$this->_errorHandler->throwError(CKFINDER_CONNECTOR_ERROR_FOLDER_NOT_FOUND);
		}

		$files = array();
		$thumbFiles = array();

		if ($dh = @opendir($_sServerDir)) {
			while (($file = readdir($dh)) !== false) {
				if ($file != "." && $file != ".." && !is_dir($_sServerDir . $file)) {
					$files[] = $file;
				}
			}
			closedir($dh);
		} else {
			$this->_errorHandler->throwError(CKFINDER_CONNECTOR_ERROR_ACCESS_DENIED);
		}

		$resourceTypeInfo = $this->_currentFolder->getResourceTypeConfig();

		if (sizeof($files)>0) {
			$_thumbnailsConfig = $_config->getThumbnailsConfig();
			$_thumbServerPath = '';
			$_showThumbs = (!empty($_GET['showThumbs']) && $_GET['showThumbs'] == 1);
			if ($_thumbnailsConfig->getIsEnabled() && ($_thumbnailsConfig->getDirectAccess() || $_showThumbs)) {
				$_thumbServerPath = $this->_currentFolder->getThumbsServerPath();
			}

			natcasesort($files);
			$i=0;
			foreach ($files as $file) {
				$filemtime = @filemtime($_sServerDir . $file);

				//otherwise file doesn't exist or we can't get it's filename properly
				if ($filemtime !== false) {
					$filename = CKFinder_Connector_Utils_Misc::mbBasename($file);
					if (!$resourceTypeInfo->checkExtension($filename, false)) {
						continue;
					}
					if ($resourceTypeInfo->checkIsHiddenFile($filename)) {
						continue;
					}
					$oFileNode[$i] = new Ckfinder_Connector_Utils_XmlNode("File");
					$oFilesNode->addChild($oFileNode[$i]);
					$oFileNode[$i]->addAttribute("name", CKFinder_Connector_Utils_FileSystem::convertToConnectorEncoding(CKFinder_Connector_Utils_Misc::mbBasename($file)));
					$oFileNode[$i]->addAttribute("date", @date("YmdHi", $filemtime));
					if (!empty($_thumbServerPath) && preg_match(CKFINDER_REGEX_IMAGES_EXT, $filename)) {
						if (file_exists($_thumbServerPath . $filename)) {
							$oFileNode[$i]->addAttribute("thumb", $filename);
						}
						elseif ($_showThumbs) {
							$oFileNode[$i]->addAttribute("thumb", "?" . $filename);
						}
					}
					$size = filesize($_sServerDir . $file);
					if ($size && $size<1024) {
						$size = 1;
					}
					else {
						$size = (int)round($size / 1024);
					}
					$oFileNode[$i]->addAttribute("size", $size);
					$i++;
				}
			}
		}
	}
}
